Strange effect with i915 backlight controller
tiwai at suse.de
Wed Nov 16 09:15:28 PST 2011
At Wed, 16 Nov 2011 13:58:57 +0100,
Daniel Mack wrote:
> On 11/14/2011 11:39 AM, Takashi Iwai wrote:
> > OK, then perhaps a better fix is to change the check to be equivalent
> > with pineview, as you mentioned in the original post. The handling of
> > bit 0 for old chips was lost during the refactoring of backlight code
> > since 2.6.37.
> > Does the patch below work for you?
> > The only concern by this fix is that it changes the max value. If
> > apps expect some certain (e.g. recorded) value, it may screw up. But
> > I don't expect this would happen with sane apps.
> Works perfectly - let's ship it :)
OK, now the patch was resent to intel-gfx with proper tags.
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